Massive gastrointestinal hemorrhage.
D000437:Alcoholism / Q000473:pathology; D002277:Carcinoma / Q000473:pathology*; D005756:Gastritis / Q000473:pathology*; D006471:Gastrointestinal Hemorrhage / Q000473:pathology*; D006801:Humans; D006984:Hypertrophy; D008297:Male; D008875:Middle Aged; D011127:Polyps / Q000473:pathology*; D011504:Protein-Losing Enteropathies / Q000473:pathology; D013272:Stomach Diseases / Q000473:pathology; D013274:Stomach Neoplasms / Q000473:pathology*